Exploited Vulnerabilities DailyCVE-2026-34909: Ubiquiti UniFi OS
EPSS1.7%No. 1601 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV4
Same product3
| Field | Value |
|---|---|
| Vendor | Ubiquiti |
| Product | UniFi OS |
| Name | Ubiquiti UniFi OS Path Traversal Vulnerability |
| Added to KEV | 2026-06-23 |
| US federal due date | 2026-06-26 |
| Ransomware use | Unknown |
| CWE | CWE-22 |
CISA description
Ubiquiti UniFi OS contains a path traversal vulnerability which could allow a malicious actor with access to the network to access files on the underlying system that could be manipulated to access an underlying account.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2026-34910 | Ubiquiti UniFi OS | 2026-06-23 | 45.7% | Unknown |
| CVE-2026-34908 | Ubiquiti UniFi OS | 2026-06-23 | 15.2% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Ubiquiti UniFi OS vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-06-23.